MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6e768c20d3c0e9976b587853ca3e540955587e229b0795ea858cfe6257c476a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e6e768c20d3c0e9976b587853ca3e540955587e229b0795ea858cfe6257c476a
SHA3-384 hash: 03cb19abe0000d0a0de94069cd7d9c4ae2d3f081d9b399d62179c6863f7dde1e7b755ad68388e0fd378086c02cddae4c
SHA1 hash: 07a9874b6319de46438500c02a3816cf55810277
MD5 hash: d97eefe7493fb31152bdeec1537890ea
humanhash: august-xray-bulldog-pasta
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:532'480 bytes
First seen:2021-05-26 07:40:43 UTC
Last seen:2021-05-26 09:19:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:usL385ghCWIxJy9Ar2j9wfTiWqt8OSZAp74DUkq7m:uYoghUzbrNqt8Ob7Aq7m
Threatray 5'197 similar samples on MalwareBazaar
TLSH 88B4CF2337D057A0D57CA7759178249063F0E59BE721CB7E3EA802ED8AA1F4D532B712
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 08:59:14 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ac0ae4f3-da38-464c-83e0-8df3f8ca4375

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/162316/
Detection(s):
SecuriteInfo.com.Malware.AI.1805182002.24500.20299.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a window
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792305
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 424705 Sample: invoice.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 8 other signatures 2->46 8 invoice.exe 15 6 2->8         started        process3 file4 32 C:\Users\user\AppData\Roaming\invoice .exe, PE32 8->32 dropped 34 C:\Users\...\invoice .exe:Zone.Identifier, ASCII 8->34 dropped 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->48 12 invoice .exe 14 3 8->12         started        15 cmd.exe 1 8->15         started        signatures5 process6 signatures7 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->50 52 Injects a PE file into a foreign processes 12->52 17 cmd.exe 1 12->17         started        20 invoice .exe 12->20         started        54 Uses cmd line tools excessively to alter registry or file data 15->54 22 conhost.exe 15->22         started        24 reg.exe 1 1 15->24         started        process8 signatures9 36 Uses cmd line tools excessively to alter registry or file data 17->36 26 conhost.exe 17->26         started        28 reg.exe 1 17->28         started        38 Maps a DLL or memory area into another process 20->38 30 explorer.exe 20->30 injected process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e6e768c20d3c0e9976b587853ca3e540955587e229b0795ea858cfe6257c476a/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 05:47:52 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=43twrqqnhqhjs5vvq6ctzi7fickvlb7cfgyhsxvildh6mjl4i5va._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04df6344497e9d1c321f32b61df87db549d179c6c66c3bf0b2cc7f6b1510040d
Formbook
28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63
Formbook
5101663e1850401504dd1e56231725be9a3001ed01e99fa88d348b9511c52f4d
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59a6f0a402a4172f893c1747b51c7e1a7d6092fe091e1a9497067849efb5eec2
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718c39e3856531aa6e7a97e805911b001e035e773661129f6877deb00e732201
Formbook
ad855c55e13ef5274a20805a3836b508c29cae12d0a2de2807aed08ed4090ddd
Formbook
b27efb944c0ae010e37802100d54b4087e24d26edab13468f88add30a6586e5b
Formbook
e201b3df224d420fa5b779c90fc817b7ad6d791841fdf54f873daf7d6435b3c2
Formbook
e65caef5b39ea27f95b2514c5d347df7a6e50e8d3886b2112b5db266769fcc71
Formbook
e66332c1c306b3072699f986229b07b6230edf4b46b5b46a2e535621be13021f
Formbook
+ 5'187 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader agilenet loader persistence rat
Link:
https://tria.ge/reports/210526-xymvq9zydj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.impuestohipoteca.com/e9j8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/e6e768c20d3c0e9976b587853ca3e540955587e229b0795ea858cfe6257c476a

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe e6e768c20d3c0e9976b587853ca3e540955587e229b0795ea858cfe6257c476a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/162316/

Comments